Sandankwa viburnum (Viburnum suspensum)

Sandankwa viburnum

Viburnum suspensum, commonly called Sandankwa viburnum, is a compact, perennial shrub, native to Japan. It grows up to 3.5 m in height. The coarse leaves are dark green and densely cover the shrub. They are oval with serrated edges about 9 cm long and 5 cm wide and are held oppositely on rough textured, dark brown stems. Small tubular flowers are borne on the ends of new branches in the spring, and sporadically appear in the summer. They are white to pale pink, followed by small red berries in the fall that attract wildlife.

Scientific classification

Species

Sandankwa viburnum (Viburnum suspensum)

Honeysuckles, moschatels and allies

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Perennial

Lifespan

Shrub

Plant Type

Spring, Summer, Winter

Bloom Time

Mid spring, Late spring, Early summer

Harvest Time

1.2 m to 1.8 m

Plant Height

1.8 m to 3 m

Spread

Green

Leaf Color

2.5 cm

Flower Size

Red, Black, Burgundy

Fruit Color

15 - 35 ℃

Ideal Temperature

Spring, Winter

Growth Season

Rapid

Growth Rate

Images of Sandankwa viburnum

Distribution of Sandankwa viburnum

Distribution Map

Sandankwa viburnum is native to eastern Asia. It has also been introduced to other major regions in Asia, where it flourishes in the introduced landscapes. Additionally, sandankwa viburnum is cultivated in various areas outside its native range, suggesting its adaptability and acceptance in a variety of climates.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Sunny slopes and thickets in lowlands and mountains

Quickly Identify Sandankwa viburnum

Oblong, glossy leaves with prominent veining up to 4 inches (10 cm) long.

Clusters of fragrant, pinkish-white tubular flowers, 2-4 inches (5-10 cm) across.

Small, spherical berries starting red and turning black, not persisting after ripening.

Dark brown, rough stems, 0.4-1 inch (1-2.5 cm) thick, with dense branching.

Coarse dark green leaves with toothed margins on upper two-thirds, wedge-shaped base.

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Care Guide for Sandankwa viburnum

Every 1-2 weeks

Water

Partial sun

Sunlight

15 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Sandankwa viburnum thrives in moderately humid, subtropical regions, adapting to occasional drought. It prefers consistent moisture, requiring watering every 1-2 weeks with slight soil drying. Typically grown outdoors, mulching retains moisture, mimicking its natural habitat's leaf litter.

Fertilize: Fertilize sandankwa viburnum with a balanced fertilizer (10-10-10) every 2-3 months during the growing season. Reduce frequency in winter. Opt for slow-release formulas to prevent root burn and water thoroughly after application. Adjust the feeding schedule based on sandankwa viburnum's active growth periods for optimal results.

Pruning: Sandankwa viburnum thrives with annual pruning in late spring after blooming. This practice promotes growth, provides shape, and improves air circulation. Remove dead or crowded branches with careful cuts to prevent damage and encourage healthy regrowth while reducing disease risks.

Propagation: Native to the Ryukyu Islands, sandankwa viburnum is a perennial shrub known for dense foliage and fragrant flowers. Propagate through 4-6 inch cuttings from healthy stems, using rooting hormone in well-draining soil. It thrives with minimal care in various light conditions, resisting most pests and diseases.

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